Polymer-coated carbon-clad inorganic oxide particles

US5271833A · kind A · utility

Assignee

• Regents of the University of Minnesota · US

Inventors

• Eric F. Funkenbusch · White Bear Lake, US
• Peter W. Carr · Minneapolis, US
• Douglas A. Hanggi · Windom, US
• Thomas Weber · Ludwigshafen, DE

Key dates

• Filing date: Oct 20, 1992
• Grant date: Dec 21, 1993
• Expiry date: Oct 20, 2012

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B01J20/3282
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Polymer-coated carbon-clad inorganic oxide particles are disclosed which are useful in sorbent applications, particularly as packing materials for High Performance Liquid Chromatography (HPLC). A method for the preparation of a chromatographic support material is also disclosed which comprises coating carbon-clad inorganic oxide particles with a monomer or oligomer and cross-linking the monomer or oligomer.